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我并不常见这个问题。BOOL在Singleton中返回NULL的变量
我刚回到Objective-C,它让我头疼。
我单身.H
@interface BFTDataHandler : NSObject
+ (BFTDataHandler *)sharedInstance;
@property BOOL *initialLogin;
@property BOOL *PPAccepted;
@property(nonatomic, retain) NSString *Username;
@property(assign) NSString *EDEmail;
@property(nonatomic, retain) NSString *UID;
@property(assign) NSString *Longitude;
@property(assign) NSString *Latitude;
@end
我辛格尔顿.M
#import "BFTDataHandler.h"
@implementation BFTDataHandler
-(id)init
{
self = [super init];
if (self) {
//initlize data
_Username = nil;
_EDEmail = nil;
_UID = nil;
_Longitude = nil;
_Latitude = nil;
_initialLogin = false;
_PPAccepted = false;
}
return self;
}
+ (BFTDataHandler *)sharedInstance
{
static BFTDataHandler *_sharedInstance = nil;
static dispatch_once_t onceSecurePredicate;
dispatch_once(&onceSecurePredicate,^
{
_sharedInstance = [[self alloc] init];
});
return _sharedInstance;
}
我会尝试访问PPAccepted BOOL并不断返回NULL
NSLog(@"%s", [[BFTDataHandler sharedInstance] PPAccepted]);
return *[[BFTDataHandler sharedInstance]PPAccepted];
我找不出该问题,在此先感谢帮助
非常感谢你....有时它的深夜会让人难以记起最简单的事情哈哈 – Keeano